Ask a seller in Moon Township whether they have to disclose aircraft noise from Pittsburgh International Airport and most will say some version of the same thing: there's a form for that. There isn't. Not in Pennsylvania.
That assumption isn't unreasonable. Several states built airport noise directly into their disclosure statutes. Arizona requires a written notice when a property sits inside a mapped military airport zone. Hawaii triggers disclosure when a home falls within the noise exposure boundaries the state's transportation department publishes. New Jersey's Air Safety and Zoning Act pulls off-site aviation conditions into the seller's disclosure obligations. Maryland requires sellers to flag known military flight operations that could subject a property to high noise levels. Pennsylvania isn't on that list. If you're selling a house two miles from a runway in Moon Township, the state hasn't handed you a specific checkbox for it.
That gap matters more here than almost anywhere else in the region Monica Sample's team covers, because Moon Township isn't just near the airport. The Allegheny County Airport Authority runs its own headquarters from inside the township, at 1305 Cherrington Parkway. The agency that manages PIT's noise programs, runway schedules, and land use planning is a neighbor, not an abstraction.
What the law actually asks a seller to say
Pennsylvania's Real Estate Seller Disclosure Law covers residential sales of one to four dwelling units, with narrow exceptions for family transfers, estate sales handled by a fiduciary, new construction that's never been occupied, and foreclosures. Everyone else fills out the standard form the Pennsylvania Association of Realtors publishes, and that form asks about "material defects" the seller knows about that aren't readily observable to a buyer walking through.
The form doesn't ask "is this property affected by aircraft noise" the way an Arizona or Hawaii disclosure might. It asks something broader and, in practice, harder to dodge: does the seller know of anything that would have a significant adverse impact on the property's value or use, and that a buyer touring the house wouldn't necessarily catch. If a seller has lived under a flight pattern for a decade and knows exactly when the noise picks up, that knowledge fits the definition even without a dedicated line item.
The stakes aren't small. Under the disclosure law, a buyer has up to two years after settlement to bring a claim if a seller knowingly left out a material defect. A seller who assumes silence is safe because Pennsylvania "doesn't require airport disclosure" is reading the absence of a specific form as the absence of any obligation. Those are different things.
Why the gap shows up in Moon Township specifically
The noise itself isn't evenly distributed. The Allegheny County Airport Authority has been mapping and remapping PIT's noise footprint for two decades using the day-night average sound level standard, a 24-hour measurement that adds a 10-decibel penalty to any aircraft activity between 10 p.m. and 7 a.m. to account for how much more disruptive nighttime noise feels. The airport's original noise exposure maps were approved by the FAA in 2007, based on 2005 conditions and projected forward to 2010. A follow-up study submitted in 2016 modeled new contours for 2015 and forecast conditions through 2021, reflecting how much aircraft activity and aircraft types had shifted since the first maps were drawn.
Even the researchers who build these models acknowledge their limits. The standard 65-decibel DNL threshold used for compatibility planning averages noise over a full day, which means it can smooth over the effect of a single loud event on a specific house even when that house sits just outside the mapped boundary. A property a few blocks from another can have a materially different noise experience even if both fall on the same side of the official contour line.
Layer on the fact that runway work is happening right now. Bid documents for a 2026 project to rehabilitate Runway 10L-28R closed in May, with construction proceeding afterward. Runway maintenance projects like this one often shift which runway handles departures and arrivals during the work, which means the noise pattern a homeowner has lived with for years can move, at least temporarily, without any change in the underlying zoning or contour maps.
None of this means Moon Township is blanketed in aircraft noise. A 2025 independent mapping analysis using FAA flight data estimated PIT's noise signature at roughly 56 square miles and about 34,400 affected residents, a little over 1 percent of the greater Pittsburgh metro population. That's a real footprint, but a bounded one. The point isn't that everyone in Moon Township hears jets overhead. It's that the people who do are the ones a form built around statewide material defects, not airport geography, is supposed to catch, and it only works if the seller treats what they know as disclosable.
What this means at the closing table
For sellers, the practical move is to stop asking whether Pennsylvania "requires" noise disclosure and start asking what you actually know. If you've noticed a pattern, an uptick during certain wind directions, a change since the runway work started, that's the kind of detail that belongs in the open-ended sections of the Seller's Property Disclosure Statement rather than left for a buyer to discover during their first quiet Tuesday night in the house. If a previous owner ever went through a sound insulation upgrade, whether new windows, added attic insulation, or HVAC changes tied to noise mitigation, that history is worth documenting too, both for accuracy on the disclosure form and because Monica Sample's team, through MKM Property Development, regularly helps sellers figure out which improvements are worth calling out to a buyer rather than burying in a file.
For buyers, the fix is just as direct. Don't rely on the disclosure form to volunteer information Pennsylvania law doesn't specifically require it to volunteer. Ask the seller in writing whether they've noticed aircraft noise, and ask when. Request any correspondence with the Allegheny County Airport Authority about sound insulation programs or noise complaints. If a listing sits inside the general noise footprint, request two showings at different times, one during a typical weekday flight bank and one in the evening, rather than trusting a single quiet afternoon walkthrough.
A few questions worth asking before you write an offer:
- Has the seller lived in the home long enough to know its actual noise pattern across seasons, not just a single visit?
- Has the property, or the block it sits on, ever come up in an Allegheny County Airport Authority sound insulation conversation?
- Does the runway rehabilitation work currently underway affect which flight paths are active near this specific address, even temporarily?
None of this is legal advice, and a seller with real concerns about liability should talk to a real estate attorney rather than lean on a blog post to settle the question. But knowing where the actual gap sits, between what Pennsylvania's form asks and what a buyer might assume it asks, is the difference between a disclosure conversation that protects both sides and one that surfaces two years later as a claim.
A few questions worth asking before you list or make an offer
Does Pennsylvania require a separate airport noise disclosure form? No. Unlike Arizona, Hawaii, New Jersey, or Maryland, Pennsylvania folds any aircraft noise a seller knows about into the general material defect question on the standard disclosure form rather than a dedicated airport-specific statute.
Is there a public map showing which streets fall inside PIT's noise contour? The FAA and the Allegheny County Airport Authority have published noise exposure maps tied to the 2007-approved contours and the 2016 update process, though buyers and sellers should treat any map as a starting point for questions rather than a final word, given how much aircraft activity and runway use can shift between formal updates.
What happens if a seller just doesn't bring it up? Buyers have up to two years after settlement to bring a claim under Pennsylvania's disclosure law if a seller knowingly withheld a material defect, so silence isn't the same as protection.
If you're weighing a sale near PIT and want a clear-eyed read on how to handle the disclosure conversation, or you're house hunting in Moon Township and want someone who knows exactly which streets to ask harder questions about, the Monica Sample Group can walk you through it before you're locked into a contract, not after.
